


b=Thread.new{print "a"; print"b";  print"c"; print"d"; Thread.pass; print"e" }
c=Thread.new { print"1"; print"2"; 8.times{print "%"; sleep(3); print"3"; print"4"; print"5"; print"6"}   }
d=Thread.new{ print"A"; print"B"; print"C"; Thread.pass; print"D";print"E";print"F"; print"G"}

b.join
1.times{
print "@"; print "#" ; print "$"
}

c.join
d.join
puts " "




